# DD vs Arrow Nova

The clearest difference is ads: DD at none against Arrow Nova's shown. DD also leads on iOS requirement (13 vs 18.2). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. DD sells 1 in-app purchase, starting at $2.99 per month and Arrow Nova sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

DD ships an update daily, Arrow Nova every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | DD | Arrow Nova |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 days |
| Size | 9 MB | 45 MB |
| Requires iOS | **13** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [四川省与初电竞俱乐部有限公司](https://appshunter.io/developer/1669013411) | [Thong Nguyen](https://appshunter.io/developer/6784740733) |

## What reviewers say

### DD

[App page](https://appshunter.io/ios/app/dd-knots-knotpuzzlechallenge/id6757379599)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $2.99 | per month |


### Arrow Nova

[App page](https://appshunter.io/ios/app/arrow-nova/id6784740731)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Coins | $0.99 | one-time |
| 600 Coins | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 1500 Coins | $3.99 | one-time |


## Frequently asked questions

### Is DD free?

DD is free to download, with in-app purchases available.

### Is Arrow Nova free?

Arrow Nova is free to download, with in-app purchases available.

### Do DD or Arrow Nova have ads?

Arrow Nova shows ads; DD does not.

### Which is updated more often, DD or Arrow Nova?

DD ships an update daily, and Arrow Nova every 2 days. Most recently, DD was updated on October 25, 2026 and Arrow Nova on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*